Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drbrennan.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 15:18:31 UTC · ↺ Refresh
MX Hostnames
- drbrennan-net.mail.protection.outlook.com
MX Priorities
- drbrennan-net.mail.protection.outlook.com: 5
A / AAAA Records
- 192.190.221.34 ↩ cloudhost-7138473.us-midwest-2.nxcli.net
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
ns37.domaincontrol.com dns.jomax.net 2025031508 28800 7200 604800 600
Primary NS (mname)
ns37.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025031508
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns38.domaincontrol.com
ns37.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.google.com include:_spf.paubox.com include:spf.smtp2go.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
google._domainkey
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- google-site- verification=CGNJ Hmi2ktE RWh n WHglko8wFtrsa-51gY-HOKjx_ Yb4
- MS=ms98715036
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.google.com include:_spf.paubox.com include:spf.smtp2go.com -all
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